NEMA EW 3:1983(R2002)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Semi-Automatic Wire-Feed Systems for Arc Welding
Hardcopy , PDF
12-10-2023
English
27-05-2021
FOREWORD
SCOPE
PURPOSE
Section 1 REFERENCED STANDARDS AND DEFINITIONS
Referenced Standards
Definitions
Section 2 SERVICE CONDITIONS
General
Usual Service Conditions
Unusual Service Conditions
Section 3 MECHANICAL CONSTRUCTION REQUIREMENTS
Frames and Enclosures - General Strength Conditions
Enclosure of Live Parts
Openings in Enclosures
Enclosure Construction
Rotating Parts
Filler Wire Supply
Corrosion Protection
Service Line Hoses
Gun Assembly
Water Cooling
Drop Testing
Section 4 ELECTRICAL CONSTRUCTION REQUIREMENTS
Service Line Cords, Cables, and Connections
Wire Feed Unit and Control
Gun Assembly and Gun Cable Assembly
High-Potential Test and Insulation Resistance
Section 5 RATING AND PERFORMANCE
Rating of Wire Feed System
Performance
Temperature Testing
Other Performance Data
Section 6 MARKINGS
Wire Feeder Nameplate
Gun Assembly and Gun Cable Assembly Nameplate
LIST OF TABLES
3.1 Thickness of Sheet Metal for Enclosures
5.1 Maximum Temperatures of External Surfaces
LIST OF FIGURES
3.1 Probe
3.2 Enclosure Opening
3.3 Probe
5.1 Part 1 - Flux Cored Arc Welding without Gas
5.1 Part 2 - Flux Cored Arc Welding with CO2 Gas
5.2 Part 1 - Gas Metal Arc Welding with CO2 Gas and
Solid Electrode
5.3 Gas Tungsten Arc Welding with Filler Wire
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